Create a shortcut to Offer Remote Assistance
On Windows Vista/2008
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On the Desktop, Right-Click and select “New” –> “Shortcut”.
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Enter “MSRA.exe /expert” (without qoutes) and hit next.
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Give the shortcut a name and click Finish.
You can also use MSRA /offerRA [computer]
On Windows XP/2003
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On the Desktop, Right-Click and select “New” –> “Shortcut”.
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Enter “hcp://CN=Microsoft%20Corporation,L=Redmond,S=Washington,C=US/Remote%20Assistance/Escalation/Unsolicited/Unsolicitedrcui.htm” (without qoutes) and hit next.
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Give the shortcut a name and click Finish.
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If you want the typical remote assistance icon go to WINDOWSsystem32 and choose rcimlby.exe
Group Policies
You will also need some GPO settings for Remote Assistance and Windows Firewall (if it is on, which it should be)
Remote Assistance
Computer Configuration
Administrative Templates
System
Remote Assistance
Offer Remote Assistance Enabled
Allow helpers to remotley control the computer DomainHelperGroup
Firewall
Computer Configuration
Administrative Templates
Network
Network Connections
Windows Firewall
Domain Profile
Windows Firewall: Define Program Exceptions Enabled
%systemroot%system32sessmgr.exe:*:enabled:sessmgr.exe
%systemroot%PCHEALTHHELPCTRBinarieshelpsvc.exe:*:enabled:helpsvc.exe
Windows Firewall: Define port exceptions: Enabled
135:TCP:[subnet or adresses]:enabled:Offer Remote Assistance – Port
Links
http://www.vistax64.com/vista-general/27431-shortcut-offer-remote-assistance.html
http://www.errorforum.com/microsoft-windows-vista-error/1034-windows-vista-tip-offer-remote-assistance.html
http://brettlive.com/2007/02/28/offer-remote-assistance-in-vista/
http://support.microsoft.com/kb/555179
http://www.windowsnetworking.com/articles_tutorials/Using-Remote-Assistance-Windows-Firewall-Enabled.html